From: Petr Machata <petrm@xxxxxxxxxxxx>
This tests whether TTL of VXLAN envelope packets is properly set based
on the device configuration.
Signed-off-by: Petr Machata <petrm@xxxxxxxxxxxx>
Signed-off-by: Ido Schimmel <idosch@xxxxxxxxxxxx>
---
.../net/forwarding/vxlan_bridge_1d.sh | 33 +++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
index a943d8da14b9..0c17b0d427ba 100755
--- a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
+++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
@@ -68,6 +68,7 @@ export VXPORT
ping_ipv4
test_flood
test_unicast
+ test_ttl
reapply_config
ping_ipv4
test_flood
@@ -474,6 +475,38 @@ test_unicast()
done
}
+vxlan_ping_test()
+{
+ local ping_dev=$1; shift
+ local ping_dip=$1; shift
+ local ping_args=$1; shift
+ local capture_dev=$1; shift
+ local capture_dir=$1; shift
+ local capture_pref=$1; shift
+ local expect=$1; shift
+
+ local t0=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir)
+ ping_do $ping_dev $ping_dip "$ping_args"
+ local t1=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir)
+ local delta=$((t1 - t0))
+
+ # Tolerate a couple stray extra packets.
+ ((expect <= delta && delta <= expect + 2))
+ check_err $? "$capture_dev: Expected to capture $expect packets, got $delta."
+}
+
+test_ttl()
+{
+ RET=0
+
+ tc filter add dev v1 egress pref 77 prot ip \
+ flower ip_ttl 99 action pass
+ vxlan_ping_test $h1 192.0.2.3 "" v1 egress 77 10
+ tc filter del dev v1 egress pref 77 prot ip
+
+ log_test "VXLAN: envelope TTL"
+}
+
test_all()
{
echo "Running tests with UDP port $VXPORT"
--
2.19.1
